97404626663 has 2 divisors, whose sum is σ = 97404626664. Its totient is φ = 97404626662.

The previous prime is 97404626617. The next prime is 97404626717. The reversal of 97404626663 is 36662640479.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36662640479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97404626663 - 2¹⁰ = 97404625639 is a prime.

It is a super-2 number, since 2×97404626663² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97404626563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48702313331 + 48702313332.

It is an arithmetic number, because the mean of its divisors is an integer number (48702313332).

Almost surely, 2^97404626663 is an apocalyptic number.

97404626663 is a deficient number, since it is larger than the sum of its proper divisors (1).

97404626663 is an equidigital number, since it uses as much as digits as its factorization.

97404626663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 97404626663 in words is "ninety-seven billion, four hundred four million, six hundred twenty-six thousand, six hundred sixty-three".